42crmo

Development of Steel Bar 42CrMo ( B7 ) for High Strength Bolt

高强度螺栓用钢42CrMo（B7）的研制

Forging Technology of 120 ° 42CrMo Gear Racks

120°42CrMo齿条的锻造工艺

Mechanical properties and microstructure of TiAl / 42CrMo joint induction brazed with Ag-Cu-Ni-Li filler metal

TiAl/42CrMo感应钎焊接头力学性能及断裂特征

Hydrogen trapping phenomena in conventional high strength steel ( 42CrMo ) and bainite / martensite dual-phase high strength steel ( U20Si ) were investigated by electrochemical permeation technique .

运用电化学渗透技术研究了传统高强钢（42CrMo）和贝氏体/马氏体复相高强钢（U20Si）中氢的扩散和氢陷阱。

The contact fatigue properties have been studied by using three kind of steels ( 45 , 42CrMo 、 40CrNi2Mo ) which were quenched and tempered to the same medium hardness .

用45、42CrMo、40CrNi2Mo三种中碳钢经调质处理成相同中等硬度（HRC37±1）后，对其进行接触疲劳寿命试验。

In this paper the structure and forming mechanism of reaction layer of TiAl / B-Ag72Cu / 42CrMo joint of vacuum diffusion brazing at 870 ℃ were studied by metallographic microscope , scanning electron microscope , electron probe .

使用真空扩散钎焊方法对870℃下TiAl/B-Ag72Cu/42CrMo进行了连接，利用金相显微镜、扫描电镜、电子探针成分线分析及成分定量分析等方法研究了TiAl/B-Ag72Cu/42CrMo扩散钎焊接头组织及接头反应层的形成机理。